The Book of Prayers (Kitab Al-Salat)

Muslim :: Book 4 : Hadith 1442

Anas reported that the Messenger of Allah (may peace be upon him) observed Qunut for one month invoking curse upon some tribes of Arabia (those who were responsible for the murders in Bi'r Ma'una and Raji'), but then abandoned it.

Source materials are from the University of Southern California MSA site
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